Flow controller

Details Flow controller Flow controller

1997-10-03

1999-04-13

Hepperle, Stephen M.

Fluid handling

Systems

Dividing into parallel flow paths with recombining

137862, 137870, 137872, 251 65, G05D 700, F16K 1116

Patent

active

058933905

ABSTRACT:
An apparatus (10) is provided for controlling the flow of a fluid. The apparatus (10) includes a housing (12) having an inlet port (14), an outlet port (16), and a bypass port (18). A throughput block (26) is contained within the housing (12). The throughput block (26) has a number of cylinders (28) formed therein. A number of pistons (34) are received within the cylinders (28). Each piston (34) can move within a corresponding cylinder (28) between a first position and a second position. En the first position, the piston (34) prevents fluid communication between the inlet port (14) and the outlet port (16) and allows fluid communication between the inlet port (14) and the bypass port (18). In the second position, the piston (34) prevents fluid communication between the inlet port (14) and the bypass port (18) and allows fluid communication between the inlet port (14) and the outlet port (16).

REFERENCES:
patent: 3792719 (1974-02-01), Dickinson
patent: 3827457 (1974-08-01), Vutz et al.
patent: 4518011 (1985-05-01), Stoll
patent: 4561471 (1985-12-01), Diaz
patent: 5313871 (1994-05-01), Kaneko et al.

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